cxx/test/containers/unord/unord.set/unord.set.cnstr/move.pass.cpp
Howard Hinnant b64f8b07c1 license change
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119395 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16 22:09:02 +00:00

105 lines
3.3 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <unordered_set>
// template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
// class Alloc = allocator<Value>>
// class unordered_set
// unordered_set(unordered_set&& u);
#include <unordered_set>
#include <cassert>
#include "../../../test_compare.h"
#include "../../../test_hash.h"
#include "../../../test_allocator.h"
int main()
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
{
typedef std::unordered_set<int,
test_hash<std::hash<int> >,
test_compare<std::equal_to<int> >,
test_allocator<int>
> C;
typedef int P;
P a[] =
{
P(1),
P(2),
P(3),
P(4),
P(1),
P(2)
};
C c0(7,
test_hash<std::hash<int> >(8),
test_compare<std::equal_to<int> >(9),
test_allocator<int>(10)
);
C c = std::move(c0);
assert(c.bucket_count() == 7);
assert(c.size() == 0);
assert(c.hash_function() == test_hash<std::hash<int> >(8));
assert(c.key_eq() == test_compare<std::equal_to<int> >(9));
assert(c.get_allocator() == test_allocator<int>(10));
assert(c.empty());
assert(std::distance(c.begin(), c.end()) == c.size());
assert(std::distance(c.cbegin(), c.cend()) == c.size());
assert(c.load_factor() == 0);
assert(c.max_load_factor() == 1);
assert(c0.empty());
}
{
typedef std::unordered_set<int,
test_hash<std::hash<int> >,
test_compare<std::equal_to<int> >,
test_allocator<int>
> C;
typedef int P;
P a[] =
{
P(1),
P(2),
P(3),
P(4),
P(1),
P(2)
};
C c0(a, a + sizeof(a)/sizeof(a[0]),
7,
test_hash<std::hash<int> >(8),
test_compare<std::equal_to<int> >(9),
test_allocator<int>(10)
);
C c = std::move(c0);
assert(c.bucket_count() == 7);
assert(c.size() == 4);
assert(c.count(1) == 1);
assert(c.count(2) == 1);
assert(c.count(3) == 1);
assert(c.count(4) == 1);
assert(c.hash_function() == test_hash<std::hash<int> >(8));
assert(c.key_eq() == test_compare<std::equal_to<int> >(9));
assert(c.get_allocator() == test_allocator<int>(10));
assert(!c.empty());
assert(std::distance(c.begin(), c.end()) == c.size());
assert(std::distance(c.cbegin(), c.cend()) == c.size());
assert(c.load_factor() == (float)c.size()/c.bucket_count());
assert(c.max_load_factor() == 1);
assert(c0.empty());
}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
}